Characteristics of liquid reflux episodes
| Asymptomatic (%) | Symptomatic (%) | p Value | |
|---|---|---|---|
| Values are median (interquartile range). | |||
| Acid (nadir pH<4) | 69 (50–75) | 94 (67–100) | 0.001 |
| Fall >0.5 unit | 83 (64–92) | 100 (100–100) | 0.001 |
| Fall >1.0 unit | 76 (56–85) | 100 (80–100) | 0.002 |
| Gas component | 55 (33–67) | 52 (38–75) | 0.6 |